Home / 302,281.47-417,148.38-166,312.44

Finding the Fourth Proportional to 302,281.47, 417,148.38 and 166,312.44

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Solution

The fourth proportional to 302,281.47, 417,148.38 and 166,312.44 is: 229,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,281.47 : 417,148.38 = 166,312.44 : x
  2. Step 2: Convert to fraction form
    302,281.47/417,148.38 = 166,312.44/x
  3. Step 3: Cross multiply
    302,281.47x = 417,148.38 × 166,312.44
  4. Step 4: Simplify right side
    302,281.47x = 69,376,964,919.85
  5. Step 5: Solve for x
    x = 69,376,964,919.85/302,281.47
  6. Step 6: Final answer
    x = 229,511.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.